I could elasticise you could elasticise he could elasticise we could elasticise you could elasticise they could elasticise
V-ing form
I could be elasticising you could be elasticising he could be elasticising we could be elasticising you could be elasticising they could be elasticising
Perfect
I could have elasticised you could have elasticised he could have elasticised we could have elasticised you could have elasticised they could have elasticised
V-ing perfect
I could have been elasticising you could have been elasticising he could have been elasticising we could have been elasticising you could have been elasticising they could have been elasticising
Negation
Simple form
I could not elasticise you could not elasticise he could not elasticise we could not elasticise you could not elasticise they could not elasticise
V-ing form
I could not be elasticising you could not be elasticising he could not be elasticising we could not be elasticising you could not be elasticising they could not be elasticising
Perfect
I could not have elasticised you could not have elasticised he could not have elasticised we could not have elasticised you could not have elasticised they could not have elasticised
V-ing perfect
I could not have been elasticising you could not have been elasticising he could not have been elasticising we could not have been elasticising you could not have been elasticising they could not have been elasticising
Interrogative form
Simple form
could I elasticise? could you elasticise? could he elasticise? could we elasticise? could you elasticise? could they elasticise?
V-ing form
could I be elasticising? could you be elasticising? could he be elasticising? could we be elasticising? could you be elasticising? could they be elasticising?
Perfect
could I have elasticised? could you have elasticised? could he have elasticised? could we have elasticised? could you have elasticised? could they have elasticised?
V-ing perfect
could I have been elasticising? could you have been elasticising? could he have been elasticising? could we have been elasticising? could you have been elasticising? could they have been elasticising?
Interro-negative form
Simple form
could I not elasticise? could you not elasticise? could he not elasticise? could we not elasticise? could you not elasticise? could they not elasticise?
V-ing form
could I not be elasticising? could you not be elasticising? could he not be elasticising? could we not be elasticising? could you not be elasticising? could they not be elasticising?
Perfect
could I not have elasticised? could you not have elasticised? could he not have elasticised? could we not have elasticised? could you not have elasticised? could they not have elasticised?
V-ing perfect
could I not have been elasticising? could you not have been elasticising? could he not have been elasticising? could we not have been elasticising? could you not have been elasticising? could they not have been elasticising?